MLECO-4065 MLECO-4066: Updating to 23.05 dependencies

* Update dependencies to 23.05 versions
* Fix for a break caused by changes in TensorFlow Lite Micro
* Update release notes

Signed-off-by: Richard Burton <richard.burton@arm.com>

Change-Id: Id2f60ea574aab982911125bdcb513adb8edc723d

2 files changed, 24 insertions, 23 deletions

diff --git a/docs/sections/building.md b/docs/sections/building.md
index bf7ca4d..c7d69c8 100644
--- a/docs/sections/building.md
+++ b/docs/sections/building.md
@@ -91,17 +91,17 @@ Before proceeding, it is *essential* to ensure that the following prerequisites
 >
 > `export PATH=$(readlink -e resources_downloaded/env/bin):${PATH}`
 
-- Python 3.7 or above is installed. Check your current installed version of Python by running:
+- Python 3.9 or above is installed. Check your current installed version of Python by running:
 
     ```commandline
     python3 --version
     ```
 
     ```log
-    Python 3.7.13
+    Python 3.9.7
     ```
 
-  > **Note:** If you have an older version of Python installed (< 3.7) see the
+  > **Note:** If you have an older version of Python installed (< 3.9) see the
   > [Troubleshooting](./troubleshooting.md#how-to-update-python3-package-to-newer-version)
   > for instruction on how to update it.
 
@@ -126,7 +126,7 @@ Before proceeding, it is *essential* to ensure that the following prerequisites
   ```
 
   ```log
-  pip 9.0.1 from /usr/lib/python3/dist-packages (python 3.7)
+  pip 9.0.1 from /usr/lib/python3/dist-packages (python 3.9)
   ```
 
 - Make
@@ -361,7 +361,7 @@ This fetches every model into the `resources_downloaded` directory. It also opti
 for the default 128 MACs configuration of the Arm® *Ethos™-U55* NPU and for the default 256 MACs configuration of the
 Arm® *Ethos™-U65* NPU.
 
-> **Note:** This script requires Python version 3.7 or higher. Please make sure all [build prerequisites](./building.md#build-prerequisites)
+> **Note:** This script requires Python version 3.9 or higher. Please make sure all [build prerequisites](./building.md#build-prerequisites)
 > are satisfied.
 >
 > **Note:** This script also installs required version of CMake into the virtual environment, which can be used by activating it.
@@ -709,8 +709,9 @@ After compiling, your custom model has now replaced the default one in the appli
 > <https://pypi.org/project/ethos-u-vela/>.
 > The source code is hosted on <https://review.mlplatform.org/plugins/gitiles/ml/ethos-u/ethos-u-vela/>.
 
-> **Note:** Using the 22.11 versions of software dependencies will require Vela to be at least version 3.6.0
+> **Note:** The correct version of Vela should be used and this depends on the versions of software dependencies used
 > or you may encounter issues when trying to run applications on different variants of Ethos-U NPUs.
+> See <https://review.mlplatform.org/plugins/gitiles/ml/ethos-u/ethos-u> for more details of which versions align.
 
 The Vela compiler is a tool that can optimize a neural network model into a version that can run on an embedded system
 containing an *Ethos-U* NPU.
diff --git a/docs/sections/troubleshooting.md b/docs/sections/troubleshooting.md
index b29b30a..c8bb7b3 100644
--- a/docs/sections/troubleshooting.md
+++ b/docs/sections/troubleshooting.md
@@ -6,8 +6,8 @@
   - [NPU configuration mismatch error when running inference](./troubleshooting.md#npu-configuration-mismatch-error-when-running-inference)
   - [Errors when cloning the repository](./troubleshooting.md#errors-when-cloning-the-repository)
   - [Problem installing Vela](./troubleshooting.md#problem-installing-vela)
-  - [No matching distribution found for ethos-u-vela==3.5.0](./troubleshooting.md#no-matching-distribution-found-for-ethos_u_vela)
-    - [How to update Python3 package to 3.7 version](./troubleshooting.md#how-to-update-python3-package-to-newer-version)
+  - [No matching distribution found for ethos-u-vela==3.8.0](./troubleshooting.md#no-matching-distribution-found-for-ethos_u_vela)
+    - [How to update Python3 package to 3.9 version](./troubleshooting.md#how-to-update-python3-package-to-newer-version)
   - [Error trying to build on Arm Virtual Hardware](./troubleshooting.md#error-trying-to-build-on-arm-virtual-hardware)
   - [Internal Compiler Error](./troubleshooting.md#internal-compiler-error)
   - [Build issues with WSL2](./troubleshooting.md#build-issues-with-wsl2)
@@ -129,15 +129,15 @@ To solve this issue install libpython3 on the system.
 
 ## No matching distribution found for ethos-u-vela
 
-Vela 3.5.0 increases Python requirement to at least version 3.7, if not installed on your system the following error will occur:
+Vela 3.8.0 increases Python requirement to at least version 3.9, if not installed on your system the following error will occur:
 
 ```log
-python3 -m pip install ethos-u-vela==3.5.0
-ERROR: Could not find a version that satisfies the requirement ethos-u-vela==3.5.0 (from versions: 0.1.0, 1.0.0, 1.1.0, 1.2.0, 2.0.0, 2.0.1, 2.1.1, 3.0.0, 3.1.0, 3.2.0)
-ERROR: No matching distribution found for ethos-u-vela==3.5.0
+python3 -m pip install ethos-u-vela==3.8.0
+ERROR: Could not find a version that satisfies the requirement ethos-u-vela==3.8.0 (from versions: 0.1.0, 1.0.0, 1.1.0, 1.2.0, 2.0.0, 2.0.1, 2.1.1, 3.0.0, 3.1.0, 3.2.0)
+ERROR: No matching distribution found for ethos-u-vela==3.8.0
 ```
 
-Ensure that the minimum Python 3.7 requirement is installed and it's the default version.
+Ensure that the minimum Python 3.9 requirement is installed and it's the default version.
 Check your current installed version of Python by running:
 
 ```commandline
@@ -158,37 +158,37 @@ python3 --version
    Python 3.6.9
    ```
 
-2. Install the Python 3.7 packages necessary on the system:
+2. Install the Python 3.9 packages necessary on the system:
 
    ```commandline
-   sudo apt-get install python3.7 python3.7-venv libpython3.7 libpython3.7-dev
+   sudo apt-get install python3.9 python3.9-venv libpython3.9 libpython3.9-dev
    ```
 
 3. Update the `python3` alternatives (set as 1 your previous version displayed at step 1):
 
    ```commandline
    sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.6 1
-   sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.7 2
+   sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.9 2
    ```
 
-4. At the prompt, update the configuration by selecting Python3.7 as the chosen default alternative:
+4. At the prompt, update the configuration by selecting Python3.9 as the chosen default alternative:
 
    ```commandline
    sudo update-alternatives --config python3
    ```
 
-5. Python3.7 is now set as default you can check it by running:
+5. Python3.9 is now set as default, you can check it by running:
 
    ```commandline
    python3 --version
    ```
 
    ```log
-   Python 3.7.0
+   Python 3.9.0
    ```
 
-> **Note:** After updating to from Python3.6 Python3.7 it may happen that the `gnome-terminal` or the relative
-> shortcuts doesn't work anymore.
+> **Note:** After updating from Python3.6 to Python3.9 it may happen that the `gnome-terminal` or the relative
+> shortcuts don't work anymore.
 > If when opening it from XTerm with `gnome-terminal` the following error appear:
 >
 > ```log
@@ -215,7 +215,7 @@ The virtual environment was not created successfully because ensurepip is not
 available.  On Debian/Ubuntu systems, you need to install the python3-venv
 package using the following command.
 
-    apt install python3.8-venv
+    apt install python3.9-venv
 
 You may need to use sudo with that command.  After installing the python3-venv
 package, recreate your virtual environment.
@@ -240,7 +240,7 @@ subprocess.CalledProcessError: Command 'python3 -m venv env' returned non-zero e
 You can fix this error by installing Python virtual environment and removing the corrupted resources_downloaded folder.
 
 ```commandline
-sudo apt install python3.8-venv
+sudo apt install python3.9-venv
 rm -r resources_downloaded
 ```